Hydroelectric power, or hydroelectricity, is generated by the force of falling water.
(Hydro comes from the Greek word for water.) It's one of the cleanest sources of ...
Presents basic facts and history. Find out about wave and tidal power.
Hydro Power. "Hydro" means "water" in Greek - so "hydro power" is made from
water. It might sound odd that we can use water to make electricity because ...
Hydropower is energy that comes from the force of moving water. The word "
hydro" means water. Hydropower is a renewable energy source too. The sun
A landmark design in water turbines was the highly efficient Pelton Wheel.
Pelton´s turbine proved to be 90.2% efficient, and the turbine of his closest competitor was only 76.5% efficient. By the early 1900's, hydroelectric power
accounted for more than 40 perc... More »
Hydropower uses the energy of moving water for a variety of useful applications.
... Most hydroelectric power stations use water held in dams to drive turbines ...
Hydropower is a clean, renewable and reliable energy source which converts
kinetic energy from falling water into electricity, without consuming more water ...
Kids learn about hydropower energy and how this renewable power can help the
environment. Teach students about biodiesel, ethanol, and methane gas.
Learn about Hydropower and other alternative energy sources with National
Geographic. ... National Geographic Magazine · National Geographic Kids ·
National ... The first hydroelectric power plant was built at Niagara Falls in 1879.
In 1881 ...